| 学 | xué | to learn; to study; to imitate; science; -ology |
| 信 | xìn | letter; mail; CL:封[feng1]; to trust; to believe; to profess faith in; truthful; confidence; trust; at will; at random |
| 网 | wǎng | net; network |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 身份证 | shēn fèn zhèng | identity card; ID |
| 大 | dà | big; huge; large; major; great; wide; deep; older (than); oldest; eldest; greatly; very much; (dialect) father; father's elder or younger brother |
| dài | see 大夫[dai4 fu5] | |
| 关联 | guān lián | related; linked; affiliated |
| 信息 | xìn xī | information; news; message |
| 精密 | jīng mì | accuracy; exact; precise; refined |
| 的 | de | of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis) |
| dí | really and truly | |
| dì | aim; clear | |
| dī | see 的士[di1 shi4] | |
| 服务 | fú wù | to serve; service; CL:項|项[xiang4] |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 找 | zhǎo | to try to find; to look for; to call on sb; to find; to seek; to return; to give change |
| 人 | rén | man; person; people; CL:個|个[ge4],位[wei4] |